CentOS Errata and Enhancement Advisory 2016:0154 

Upstream details at : https://rhn.redhat.com/errata/RHEA-2016-0154.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( sha256sum Filename ) 

i386:
2206affe6dc8666f47f16d807c791a6cb3c8813e6e20ba8030de444b7aac7ee5  tzdata-2016a-1.el5.i386.rpm
5de6eaee71ec32756feafdcccec1259c04affe07123e1cbf80a6a7cb700d127d  tzdata-java-2016a-1.el5.i386.rpm

x86_64:
5cfb394e27141600abdcb251ca4ced68dd967142566c3f1a2eadc2314c2c35c2  tzdata-2016a-1.el5.x86_64.rpm
ea0155a50f5ef2d5e72a9887d701c8222a8560981b12d536e4c78cd9b4b348e9  tzdata-java-2016a-1.el5.x86_64.rpm

Source:
f8ae6b5e0e231633d8d8b729bc94e8e005c3f1268050b65a70633364066ac849  tzdata-2016a-1.el5.src.rpm